{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46267",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.108Z",
        "datePublished": "2026-06-03T15:50:09.035Z",
        "dateUpdated": "2026-06-03T15:50:09.035Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-03T15:50:09.035Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: hci: shdlc: Stop timers and work before freeing context\n\nllc_shdlc_deinit() purges SHDLC skb queues and frees the llc_shdlc\nstructure while its timers and state machine work may still be active.\n\nTimer callbacks can schedule sm_work, and sm_work accesses SHDLC state\nand the skb queues. If teardown happens in parallel with a queued/running\nwork item, it can lead to UAF and other shutdown races.\n\nStop all SHDLC timers and cancel sm_work synchronously before purging the\nqueues and freeing the context.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/nfc/hci/llc_shdlc.c"
                    ],
                    "versions": [
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "c60f41022eaad2a1dafecd3ae6f249a3bd6d4b6e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "a24a676329d40481b2331bfa1418a679577dfd3a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "77eef9f2eef045c3c37a3df82d3e661afb866b98",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "cf70cedce327833296ebe6043364d1e44b76a2ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "276820278e9717cc7d4bb32381892dd3ddf418d4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "1cb97b1225450af3f7b728777929ba50c6a58ced",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a61cd6687fc6348d08724676d34e38160d6cf9b",
                            "lessThan": "c9efde1e537baed7648a94022b43836a348a074f",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/nfc/hci/llc_shdlc.c"
                    ],
                    "versions": [
                        {
                            "version": "3.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.14",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.4",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "5.15.202"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.12.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.18.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.19.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c60f41022eaad2a1dafecd3ae6f249a3bd6d4b6e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a24a676329d40481b2331bfa1418a679577dfd3a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/77eef9f2eef045c3c37a3df82d3e661afb866b98"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf70cedce327833296ebe6043364d1e44b76a2ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/276820278e9717cc7d4bb32381892dd3ddf418d4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1cb97b1225450af3f7b728777929ba50c6a58ced"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c9efde1e537baed7648a94022b43836a348a074f"
                }
            ],
            "title": "nfc: hci: shdlc: Stop timers and work before freeing context",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}